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Endocrine Abstracts (2019) 63 P486 | DOI: 10.1530/endoabs.63.P486

Calcium and Bone 2

Dynamic thiol/disulfide homeostasis and oxidant status in patients with hypoparathyroidism

Arzu Or Koca1,2,3,4,5,6

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1Murat, Dağdeviren, Turkey; 2Tolga, Akkan, Turkey; 3İhsan, Ateş, Turkey; 4Salim, Neşelioğlu, Turkey; 5Özcan, Erel, Turkey; 6Mustafa, Altay, Turkey.


Purpose: In this study, we aimed at determining the dynamic thiol/disulfide homeostasis and oxidant balance, and investigating the relation of these parameters to the severity of the disease and the serum calcium levels.

Material and method: 55 patients with iatrogenic hypoparathyroidism follow-ups, and 40 healthy volunteers were included in the study. The blood dynamic thiol/sulfide balance, Total Antioxidant Status (TAS), Total Oxidant Status (TOS), Paraoxonase Enzyme Activity (PON) levels were measured in serum samples.

Findings: In our study, it was found that the disulfide, disulfide/native thiol, disulfide/total thiol levels were higher in the hypoparathyroidism group. A negative correlation was found between 25 hydroxy vitamin D (25 – OH vitamin D) and disulfide, disulfide/native thiol and disulfide/total thiol, and a positive correlation was found between native thiol and total thiol ratio; and the corrected calcium levels and PON levels were negatively correlated.

Discussion: Consequently, a change in favor of disulfide was found in the dynamic thiol disulfide homeostasis in the hypoparathyroidism group in our study.

Volume 63

21st European Congress of Endocrinology

Lyon, France
18 May 2019 - 21 May 2019

European Society of Endocrinology 

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